On 01/04/2017 08:32 AM, Steve Crawford wrote:
> ...
>
> Numeric is expensive type - try to use float instead, maybe double.
>
>
> If I am following the OP correctly the table itself has all the
> columns declared as varchar. The data in the CSV file is a mix of
> text, date and numeric, presumably cast to text on entry into the table.
>
>
> But a CSV *is* purely text - no casting to text is needed. Conversion is
> only needed when the strings in the CSV are text representations of
> *non*-text data.
Yeah, muddled thinking.
>
> I'm guessing that the OP is using all text fields to deal with possibly
> flawed input data and then validating and migrating the data in
> subsequent steps. In that case, an ETL solution may be a better
> approach. Many options, both open- closed- and hybrid-source exist.
>
> Cheers,
> Steve
--
Adrian Klaver
adrian.klaver@aklaver.com
